Inventor · disambiguated record
Douglas William Dewey
Also filed as: DEWEY DOUGLAS · DEWEY DOUGLAS W · DEWEY DOUGLAS WILLIAM
50 granted patents·2 pending applications·1,272 citations·filing 1991–2022
98Inventor score
Top patents by PatentIndex Score
52 records- 0197US8176405B2Data integrity validation in a computing environmentHAFNER JAMES LEE·Filed 2008·Granted May 8, 2012·180 cites·20 claims
- 0295US12235961B1Malware mitigating storage controllerSEAGATE TECHNOLOGY LLC·Filed 2022·Granted Feb 25, 2025·5 cites·18 claims
- 0392US10055149B2Intelligent snapshot tree replicationSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Aug 21, 2018·10 cites·17 claims
- 0490US11429587B1Multiple duration deduplication entriesSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Aug 30, 2022·8 cites·20 claims
- 0590US10409682B1Distributed RAID systemSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Sep 10, 2019·10 cites·20 claims
- 0689US10706082B1Deduplication database managementSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Jul 7, 2020·7 cites·14 claims
- 0789US5740061ACartridge shifting optimization in a super libraryIBM·Filed 1997·Granted Apr 14, 1998·69 cites·52 claims
- 0888US6336173B1Storing and tracking multiple copies of data in data storage librariesIBM·Filed 1999·Granted Jan 1, 2002·122 cites·51 claims
- 0987US11119862B2Delta information volumes to enable chained replication of data by uploading snapshots of data to cloudSEAGATE TECHNOLOGY LLC·Filed 2019·Granted Sep 14, 2021·4 cites·20 claims
- 1086US5321824AAccessing last recorded data in a continuation chainIBM·Filed 1991·Granted Jun 14, 1994·51 cites·14 claims
- 1185US6477628B1Backup copy achieving improved efficiency by waiting until rewind/unload command for bulk data copyIBM·Filed 2000·Granted Nov 5, 2002·45 cites·25 claims
- 1283US7739462B2Policy based data shredding for storage controllerIBM·Filed 2005·Granted Jun 15, 2010·14 cites·31 claims
- 1382US6502108B1Cache-failure-tolerant data storage system storing data objects with version code equipped metadata tokensIBM·Filed 1999·Granted Dec 31, 2002·101 cites·32 claims
- 1481US5412668AParity striping feature for optical disksIBM·Filed 1994·Granted May 2, 1995·92 cites·36 claims
- 1578US5652887ADynamic Meta commands for peripheral devicesIBM·Filed 1995·Granted Jul 29, 1997·98 cites·37 claims
- 1677US7877628B2Mirroring data between primary and secondary sitesIBM·Filed 2006·Granted Jan 25, 2011·8 cites·29 claims
- 1776US6687905B1Multiple port input/output job schedulingIBM·Filed 2000·Granted Feb 3, 2004·22 cites·40 claims
- 1875US10783029B2Data replication in a storage systemSEAGATE TECHNOLOGY LLC·Filed 2017·Granted Sep 22, 2020·2 cites·23 claims
- 1974US6336172B1Storing and tracking multiple copies of data in a data storage library systemIBM·Filed 1999·Granted Jan 1, 2002·73 cites·57 claims
- 2072US5864655AManaging removable media in raid and rail environmentsIBM·Filed 1996·Granted Jan 26, 1999·64 cites·12 claims
- 2171US9542257B2Managing spaces in memoryIBM·Filed 2016·Granted Jan 10, 2017·1 cites·1 claims
- 2270US10884889B2Allocating part of a raid stripe to repair a second raid stripeSEAGATE TECHNOLOGY LLC·Filed 2018·Granted Jan 5, 2021·1 cites·20 claims
- 2370US8768988B2Accessing snapshots of a time based file systemBOYD KENNETH WAYNE·Filed 2012·Granted Jul 1, 2014·3 cites·15 claims
- 2470US8392481B2Accessing snapshots of a time based file systemBOYD KENNETH WAYNE·Filed 2009·Granted Mar 5, 2013·4 cites·6 claims
- 2568US10394482B2Snap tree arbitrary replicationSEAGATE TECHNOLOGY LLC·Filed 2016·Granted Aug 27, 2019·1 cites·20 claims
- 2667US7080223B2Apparatus and method to manage and copy computer filesIBM·Filed 2002·Granted Jul 18, 2006·13 cites·7 claims
- 2766US8108364B2Representation of system clock changes in time based file systemsBOYD KENNETH WAYNE·Filed 2008·Granted Jan 31, 2012·3 cites·20 claims
- 2866US7209932B2Method, system, and program for allocating tasks to a plurality of processorsIBM·Filed 2002·Granted Apr 24, 2007·11 cites·38 claims
- 2966US5481691ACache page replacement using sequential LIFO and non-sequential LRU cast outIBM·Filed 1993·Granted Jan 2, 1996·48 cites·10 claims
- 3065US8812443B2Failure data collection system apparatus and methodDEWEY DOUGLAS WILLIAM·Filed 2007·Granted Aug 19, 2014·5 cites·20 claims
- 3164US7979401B2Time based file system for continuous data protectionINTERNAT BUSINESS MACINES CORP·Filed 2008·Granted Jul 12, 2011·3 cites·20 claims
- 3263US6785744B2Mapping SCSI medium changer commands to mainframe-compatible perform library function commandsIBM·Filed 2001·Granted Aug 31, 2004·15 cites·30 claims
- 3361US7493462B2Apparatus, system, and method for validating logical volume configurationIBM·Filed 2005·Granted Feb 17, 2009·2 cites·19 claims
- 3460US6473829B1Data storage device providing communication between processing unitsIBM·Filed 1999·Granted Oct 29, 2002·32 cites·7 claims
- 3558US6185580B1Physical information and extensions file and file system translatorIBM·Filed 1998·Granted Feb 6, 2001·32 cites·28 claims
- 3657US9870278B2Managing spaces in memoryIBM·Filed 2016·Granted Jan 16, 2018·0 cites·1 claims
- 3757US9864646B2Managing spaces in memoryIBM·Filed 2016·Granted Jan 9, 2018·0 cites·1 claims
- 3857US5727181AArray management system with volume transform filterIBM·Filed 1996·Granted Mar 10, 1998·34 cites·25 claims
- 3956US9891977B2Managing spaces in memoryIBM·Filed 2014·Granted Feb 13, 2018·0 cites·11 claims
- 4052US7734701B2Method to write information to an information storage medium using a network attached storage deviceIBM·Filed 2003·Granted Jun 8, 2010·2 cites·20 claims
- 4151US11687278B2Data storage system with recently freed page reference stateSEAGATE TECHNOLOGY LLC·Filed 2019·Granted Jun 27, 2023·0 cites·20 claims
- 4251US8276041B2Data integrity validation using hierarchical volume managementHAFNER JAMES LEE·Filed 2008·Granted Sep 25, 2012·0 cites·18 claims
- 4350US6973533B2Data storage device providing communication between processing unitsIBM·Filed 2002·Granted Dec 6, 2005·7 cites·31 claims
- 4449US6249849B1“Fail-Safe” updating of redundant data in multiple data storage librariesIBM·Filed 1999·Granted Jun 19, 2001·22 cites·15 claims
- 4548US10896088B2Metadata recovery mechanism for page storageSEAGATE TECHNOLOGY LLC·Filed 2018·Granted Jan 19, 2021·0 cites·20 claims
- 4647US5337197AMethod and system for maintaining directory consistency in magneto-optic mediaIBM·Filed 1993·Granted Aug 9, 1994·23 cites·29 claims
- 4744US7958517B2Apparatus, system, and method for executing functions in an event driven environment from a co-routine environmentIBM·Filed 2007·Granted Jun 7, 2011·0 cites·20 claims
- 4841US2019050163A1Using snap space knowledge in tiering decisionsSEAGATE TECHNOLOGY LLC·Filed 2017·Application pending·0 cites
- 4940US8108880B2Method and system for enabling state save and debug operations for co-routines in an event-driven environmentDEWEY DOUGLAS W·Filed 2007·Granted Jan 31, 2012·0 cites·17 claims
- 5038US5537578ATransparent driving partition for processing logical volumes to be recorded onto optical mediaIBM·Filed 1993·Granted Jul 16, 1996·14 cites·12 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →